全局启动BFD
[HX_SW1]bfd 
[HX_SW1-bfd]

-----------

[HX_SW2]bfd 
[HX_SW2-bfd]

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[R1]bfd 
[R1-bfd]
配置vlanif 2 BFD
[HX_SW1]bfd aa bind peer-ip 192.168.8.1 source-ip 192.168.8.2 auto 
[HX_SW1]int Vlanif 2
[HX_SW1-Vlanif2]vrrp vrid 2 track bfd-session session-name aa 
[HX_SW1-Vlanif2]vrrp vrid 2 track interface GigabitEthernet 0/0/5 

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[HX_SW1]int vlanif 3
[HX_SW1-Vlanif3]vrrp vrid 3 track bfd-session session-name aa 
[HX_SW1-Vlanif3]vrrp vrid 3 track interface GigabitEthernet 0/0/5
对端路由配置
[R1]bfd aa bind peer-ip 192.168.8.2 source-ip 192.168.8.1 auto 
[R1-bfd-session-aa]commit 
[R1-bfd-session-aa]dis this
[V200R003C00]
#
bfd aa bind peer-ip 192.168.8.2 source-ip 192.168.8.1 auto
 commit
#
return
[R1-bfd-session-aa]
查看配置结果
[HX_SW1]display bfd session all 
--------------------------------------------------------------------------------
Local Remote     PeerIpAddr      State     Type        InterfaceName            
--------------------------------------------------------------------------------

8192  8192       192.168.8.1     Up        S_AUTO_PEER       -                  
--------------------------------------------------------------------------------
     Total UP/DOWN Session Number : 1/0
路由BFD状态
[R1]display bfd session all 
--------------------------------------------------------------------------------
Local Remote     PeerIpAddr      State     Type        InterfaceName            
--------------------------------------------------------------------------------

8192  8192       192.168.8.2     Up        S_AUTO_PEER       -                  
8193  8193       192.168.23.2    Up        S_AUTO_PEER       -                  
--------------------------------------------------------------------------------
     Total UP/DOWN Session Number : 2/0
[R1]